Release version 2.0.0 - Claudable v2

Major Updates:
- Complete rebuild with Next.js 15 and TypeScript
- Multi-agent support: Claude Code, Codex CLI, Cursor CLI, Qwen Code, Z.AI GLM-4.6
- Real-time chat interface with WebSocket support
- Enhanced project management and file browser
- Full integration with Vercel, GitHub, and Supabase
- Desktop app support with Electron
- Asset management with GCS hosting
- Improved error handling and type safety

Breaking Changes:
- Removed Python FastAPI backend (now uses Next.js API routes)
- Changed from multi-repo to monorepo structure
- Updated database schema with Prisma ORM

Migration Notes:
- This is a complete rewrite - fresh installation recommended
- See README.md for new setup instructions

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

feat: Enhance GitHub and Vercel integration with improved branch hand…

…ling and error logging

- Normalize default branch handling in GitHub repository pushes to ensure consistency, even for empty repos.
- Update Vercel deployment logic to prefer the last pushed branch or default branch for better deployment accuracy.
- Improve error logging during GitHub push and Vercel deployment processes for better debugging.
- Refactor project dependency installation to ensure npm is used consistently, cleaning up non-npm artifacts if detected.
- Enhance UI components for better user experience and responsiveness across various project settings.

feat: Add Codex CLI support and improve CLI status checks

- Integrate CodexCLI into the CLI manager for availability checks
- Enhance debug logging for CLI status verification
- Update GlobalSettings component to include Codex CLI options and assets